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a hall is 15 m long & 12 m broad.if the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls,the volume of the hall is

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Aryendra
l=15,b=12 A/Q, 2×lb=2h(l+b) =15×12=h(15+12) =180/27=h h=6.67m V=l×b×h =1200m³(use h= 180/27)

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